112131130020 has 96 divisors (see below), whose sum is σ = 386421143808. Its totient is φ = 23658435072.

The previous prime is 112131129977. The next prime is 112131130079. The reversal of 112131130020 is 20031131211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10262959 + ... + 10273878.

It is an arithmetic number, because the mean of its divisors is an integer number (4025220248).

Almost surely, 2^112131130020 is an apocalyptic number.

112131130020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112131130020 is an abundant number, since it is smaller than the sum of its proper divisors (274290013788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112131130020 is a wasteful number, since it uses less digits than its factorization.

112131130020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20536869 (or 20536867 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 112131130020 its reverse (20031131211), we get a palindrome (132162261231).

The spelling of 112131130020 in words is "one hundred twelve billion, one hundred thirty-one million, one hundred thirty thousand, twenty".